stim·​u·​la·​tion ˌstim-yə-ˈlā-shən How to pronounce stimulation (audio)
: the act or process of stimulating
: the stimulating action of various agents on muscles, nerves, or a sensory end organ by which activity is evoked
especially : the reaction produced in a sensory end organ by a stimulus that initiates a nerve impulse and results in functional activity of an effector (as a muscle or gland)
gastric secretion induced by stimulation of the sense of smell

Dictionary Entries Near stimulation

Cite this Entry

“Stimulation.” Medical Dictionary, Merriam-Webster, Accessed 21 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Challenging Standardized Test Words

  • high school student holding a pencil leaning over a sat test
  • Despite the cacophony, the student tried to study.
Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?